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经营范围
发明名称
Lampenaustauschvorrichtung für Overheadprojektoren
摘要
申请公布号
DE9404040(U1)
申请公布日期
1994.07.21
申请号
DE19940004040U
申请日期
1994.03.10
申请人
MINNESOTA MINING AND MANUFACTURING CO., SAINT PAUL, MINN., US
发明人
分类号
G03B21/132;F21V19/04;G03B21/14;(IPC1-7):G03B21/20
主分类号
G03B21/132
代理机构
代理人
主权项
地址
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